Revetment block



FIG. 1 is an upper and right perspective view of a revetment block of mynew design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a left side elevational view thereof, the right side being amirror image thereof;

FIG. 4 is a front side elevational view thereof, the back sideelevational view being a mirror image thereof; and,

FIG. 5 is a top plan view thereof in a mat formed with a plurality ofsaid revetment blocks illustrated in broken line for showing theenvironment thereof.

The ornamental design for a revetment block, as shown and described.